Another Deck Collapse

 
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Old 07-07-2015, 07:24 PM   #41
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Re: Another Deck Collapse


I don't mean to change the direction here, but we harp on Hack Tradesman, Crappy Inspectors, and DIY Warriors....

When are the Highway Robbery Home Inspectors gonna hold some responsibility for some of this garbage. I have looked at more projects (decks in particularly) for couples who just purchased a home. Home Inspectors say great home you got here, that will be THREE FIDY. Then two weeks later they are getting a thousands of dollars in repair bills.

Especially with Decks and Roofs they can see that half of these are sheer surprises to still be staining and the other half are code nightmares.

One things I have learned, and love, a Home Inspector will never recommend me, I don't attach my reputation to those crooks. I'm done ranting now
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Old 07-07-2015, 08:01 PM   #42
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Re: Another Deck Collapse


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Originally Posted by tjbnwi View Post
Seeing as that is the free end of the deck no need for hangers (unless you install them upside down). The beam is supporting that end of the framing, the rim board is keeping the joists in alignment, the joists are unnecessarily ledgered.

Tom

Not sure what you looking at but there's no beam on any of these decks. They are way to low to have beams so what you are looking at is joist attached to a band board. That's the reason for the 2 8" band boards. It's rare to see beams on beach houses here.
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Old 07-07-2015, 08:03 PM   #43
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Re: Another Deck Collapse


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Not sure what you looking at but there's no beam on any of these decks. They are way to low to have beams so what you are looking at is joist attached to a band board. That's the reason for the 2 8" band boards. It's rare to see beams on beach houses here.
So, it's flush-beam build?
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Old 07-07-2015, 08:08 PM   #44
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Re: Another Deck Collapse


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So, it's flush-beam build?

I would guess yes but not 100% sure what that term means as I don't live here. 99% of decks I work on have a main beam and there's no codes for "flush" beam. Here all the decks are "flush" beam.
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Old 07-07-2015, 08:21 PM   #45
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Re: Another Deck Collapse


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I would guess yes but not 100% sure what that term means as I don't live here. 99% of decks I work on have a main beam and there's no codes for "flush" beam. Here all the decks are "flush" beam.
He's probably OK.
Many years ago, before Simpson arrived, 2x2 on ledger was common.
I'll use 2x4 when possible.
The keys are securing the ends of the joists and the good placement of the fasteners for the 2x2 or 2x4, or whatever.
A pic showing a broader view with posts would better show how it was built.

70% of the decks I build in this particular area are low flush.
Beam-under I like much more, but we all have limitations to work within.
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Old 07-07-2015, 08:34 PM   #46
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Re: Another Deck Collapse


Around here a lot of the decks have no girders or beams. The box joist is doubled and flush with the common joists. The posts pick up the double box. Just like my profile pic.
If the pic BCC posted is framed in the same manner with no hangers, thats some sketchy chit.
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Old 07-07-2015, 08:40 PM   #47
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Re: Another Deck Collapse


It's not ok to use a 2x2 ledger for any deck, ever period. Your right BC unacceptable.
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Old 07-07-2015, 08:45 PM   #48
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Re: Another Deck Collapse


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It's not ok to use a 2x2 ledger for any deck, ever period. Your right BC unacceptable.

It's a flat out bad way to build it. For one the 2x2 is normally split to **** because the nails rip it in half and toe nailing the joists don't do shot for shear. My whole house was framed with the 2x2 under the joists and I put hangers on ever joist and took the 2x2 out. I will never know how they consider that to be ok.
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Old 07-07-2015, 08:47 PM   #49
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....ever period...... .
Now, we are into absolutes...and ass-covering.
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Old 07-07-2015, 08:51 PM   #50
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Re: Another Deck Collapse


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Not sure what you looking at but there's no beam on any of these decks. They are way to low to have beams so what you are looking at is joist attached to a band board. That's the reason for the 2 8" band boards. It's rare to see beams on beach houses here.

The rim board it the beam?

If its that close to the ground how did you get the picture?

Tom
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Old 07-07-2015, 08:58 PM   #51
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Re: Another Deck Collapse


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The rim board it the beam?



If its that close to the ground how did you get the picture?



Tom

Yeah the rim board is the beam. 2 2x8's sit on 10x10 posts which the joist span between. It's 7ft of the floor so just enough head room to walk under. But no room for a proper beam under the joists.
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Old 07-07-2015, 09:01 PM   #52
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Re: Another Deck Collapse


What's scary is I have never seen anything more than 2x8's and 2x2's holding them. I think it's to do with the limited heights they are allowed to build to so they can get 3 story's and still allow enough room to park vehicles under.
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Old 07-07-2015, 09:06 PM   #53
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Re: Another Deck Collapse


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Originally Posted by BCConstruction View Post
Not sure what you looking at but there's no beam on any of these decks. They are way to low to have beams so what you are looking at is joist attached to a band board. That's the reason for the 2 8" band boards. It's rare to see beams on beach houses here.
Quote:
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Yeah the rim board is the beam. 2 2x8's sit on 10x10 posts which the joist span between. It's 7ft of the floor so just enough head room to walk under. But no room for a proper beam under the joists.
What is the span between posts?

Tom
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Old 07-07-2015, 09:06 PM   #54
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Re: Another Deck Collapse


There's nothing wrong with a flush beam, but it needs to have hangers with six or more nails into the beam for each joist for it to properly support the structure. I avoid flush beams because I like the look of a cantilevered deck more and it's much easier to lay out piers when you don't need to be as precise.
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Old 07-07-2015, 09:11 PM   #55
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Re: Another Deck Collapse


Quote:
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What is the span between posts?



Tom

Good question. Im guessing within code. But I can just about get my truck between them and open doors half way.
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Old 07-07-2015, 09:13 PM   #56
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Re: Another Deck Collapse


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There's nothing wrong with a flush beam, but it needs to have hangers with six or more nails into the beam for each joist for it to properly support the structure. I avoid flush beams because I like the look of a cantilevered deck more and it's much easier to lay out piers when you don't need to be as precise.

My deck is "flush" beam and I had to have commissioner over the pass it as it was a very uncommon design for my area. Here it's the norm in myrtle beach though/ocean isle
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Old 07-07-2015, 09:16 PM   #57
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Re: Another Deck Collapse


That's sketchy. Double 2x8's aren't good for that much span unless the deck is 8' or less.

Flush beam isn't unusual, I've seen them everywhere I've traveled. If you can't fit a beam-under how else are you going to do it? It's detailed in the AWC.
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Old 07-07-2015, 10:20 PM   #58
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Re: Another Deck Collapse


Flush beams are also good if you're doing a 2 story deck or a roof over a deck. It's nice to run those 6x6s from the ground all the way up.

Can't do that with a cantilever beam obviously
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Old 07-07-2015, 10:24 PM   #59
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Re: Another Deck Collapse


Following up on what Ethan mentioned
Attached Thumbnails
Another Deck Collapse-1436322251885.jpg  
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Old 07-07-2015, 10:25 PM   #60
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Re: Another Deck Collapse


This detail sheet from Fairfax Va. is what I always refer to for beams, footings etc when planning any deck......http://www.fairfaxcounty.gov/dpwes/p...ks/details.pdf

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